How to simplify one out of seven 7/1/3

How to simplify one out of seven 7/1/3


3/(1/7)
=3÷1/7
=21



One in five to one in six
1 / 5 to 1 / 6, 3 / 8 to 1 / 2, 1 / 3 to 2 / 5


They are 6:5, 3:4, 5:3
Just multiply it by the least common multiple of the denominator. For example, the first one is 30



5 / 6: 1 / 6 reduction ratio


5:6:1 = 5:1
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